Perinatologist – An expert http://richjulianedwards.redcarolinaparaguay.org/2016/10/26/a-look-at-painless-solutions-of-specialist-trainee in caring and treating high risk pregnancies. Physician assistants need not work with physicians and surgeons, as they are required to perform the tasks their supervisor physicians have assigned to them, which can vary on a regional basis. Obstetricians specialize in childbirth and taking care of the mother. paediatric Nephrologist – Studies, diagnoses, and provides treatment for kidney diseases in children. Both are equally rewarding careers, and both require hard work in the initial years. What they do is highly similar, except that nurse practitioners have some amount of autonomy in their profession whereas a physician assistant must work under a physician. Dermatopathologist – Diagnoses and studies the cutaneous diseases by observing the samples under microscope. Vascular Medicine Specialist – Provides treatment for vascular diseases related to lymphatics, arteries and veins.